Answer:
The pollen grain is creating a tube down the style of the flower. <u>It is necessary as that is how the pollen is able to travel down the style into the ovary where the baby seed is located. This is how the seed is fertilized, and is ready for reproduction.</u>
Answer:
Enzymes are proteins that allow certain chemical reactions to take place much quicker than the reactions would occur on their own.
Explanation:
Enzymes function as catalysts, which means that they speed up the rate at which metabolic processes and reactions occur in living organisms.
<span>The gum is probably lodged in the right primary bronchus. The right primary bronchus is an airway directly connected to the right lung. Bronchi are primarily responsible for moving air into the lungs, so when Keri choked on the gum, the gum would have blocked the air passage way required to breathe.</span>
The answer would be B) Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate.
